The Oppurtunity Costs of the Iraq War

If we had stayed out of Iraq, could we have used these saved funds to strengthen our security in America? We have spent $144.4 billion dollars so far...is it really worth it? Rather than sending our troops into Iraq, searching for weapons of mass destruction and spending other funds overseas, should we focus more on our own country? With this money saved, we could have undertaken 18 projects to increase security. These include adding 2 new Army divisions, doubling America's Special Operations forces, and putting 100,000 new police officers on the streets. I believe America would be more supportive of these projects as a whole because they are visible changes to make American's feel safer. Not to mention the lives saved by pulling our troops out of the middle east....